Home / 20,295.06-30,433.62-9,201.30

Finding the Fourth Proportional to 20,295.06, 30,433.62 and 9,201.30

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Solution

The fourth proportional to 20,295.06, 30,433.62 and 9,201.30 is: 13,797.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,295.06 : 30,433.62 = 9,201.30 : x
  2. Step 2: Convert to fraction form
    20,295.06/30,433.62 = 9,201.30/x
  3. Step 3: Cross multiply
    20,295.06x = 30,433.62 × 9,201.30
  4. Step 4: Simplify right side
    20,295.06x = 280,028,867.71
  5. Step 5: Solve for x
    x = 280,028,867.71/20,295.06
  6. Step 6: Final answer
    x = 13,797.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.